// Copyright 2022-2023 Tigris Data, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package search

import (
	jsoniter "github.com/json-iterator/go"
)

type GroupBy struct {
	Fields []string
	Limit  *int64
}

func UnmarshalGroupBy(input jsoniter.RawMessage) (GroupBy, error) {
	if len(input) == 0 {
		return GroupBy{}, nil
	}

	var g GroupBy
	if err := jsoniter.Unmarshal(input, &g); err != nil {
		return GroupBy{}, err
	}

	return g, nil
}
